Structure Height Limits: Altadena vs West Covina
How do structure height limits rules compare between Altadena, CA and West Covina, CA?
Altadena and West Covina have similar restriction levels.
Altadena, CA
Los Angeles County
Altadena R-1 max height: 35 ft on lots ≥20,000 sf; 30 ft on lots <20,000 sf and flag lots. Maximum 2 stories above grade. No portion of any structure may exceed 23 ft if within 15 ft of any property line.
View full Altadena rules →West Covina, CA
Los Angeles County
West Covina height limits vary by zone. Residential zones are typically limited to 35 ft. ADUs have a 16 ft height limit for detached structures. The 2024 Development Code update clarified height standards.
View full West Covina rules →Key Facts Comparison
| Fact | Altadena | West Covina |
|---|---|---|
| Code Section | Altadena CSD 22.306.070.A.2 | - |
| Max Height ≥20k sf | 35 ft | - |
| Max Height <20k sf | 30 ft | - |
| Flag Lots | 30 ft | - |
| Max Stories | 2 above grade | - |
| Within 15 ft of PL | 23 ft | - |
| Residential | - | Typically 35 ft |
| ADU (Detached) | - | 16 ft maximum |
| Code | - | Development Code (March 2024) |
| Measurement | - | Per zone-specific standards |
Highlighted rows indicate differences between cities.
Altadena FAQ
How tall can a house be in Altadena?
35 ft on lots 20,000 sq ft and larger, 30 ft on smaller lots, with a maximum of 2 stories above grade (Altadena CSD 22.306.070.A.2).
West Covina FAQ
What is the max height for a house?
Typically 35 feet or 2.5 stories in residential zones. Check West Covina zoning code for your specific district.
Do chimneys count toward height?
Chimneys and similar projections are usually exempt up to a limited additional height above the roof.
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